Apple Watch Ultra 3 (2025): An Unbounded Adventure on Your Wrist.

The Apple Watch Ultra 3 combines exceptional durability with advanced functionality, making it your perfect companion in the most demanding conditions.

With its rugged design, an ultra-bright display, and an extended battery life, it’s specifically engineered for adventurers and extreme sports enthusiasts. The watch integrates a wide array of sensors and innovative safety features, ensuring you are always prepared for anything. From deep-sea diving to scaling the highest peaks, the Apple Watch Ultra 3 provides the data you need and the safety you deserve.

Full Specifications:

Material and Finish:

• Titanium case, Grade 5
  

Size and Weight:

Hardware and Buttons:

• Microphone
• Speaker
• Customizable Action button
• Siren/Speaker
• Antennas (GPS, cellular/satellite) (Built-in eSIM support)
• Side button
• Digital Crown
• Depth gauge/Water temperature sensor/Altimeter

Chip:

Sensors:

• Electrical heart sensor
• Third-generation optical heart sensor
• Blood oxygen sensor
• Temperature sensor
• Depth gauge
• Water temperature sensor
• Compass
• Always-on altimeter
• High-g accelerometer
• High dynamic range gyroscope
• Ambient light sensor

Health and Wellness:

• Blood Oxygen app
• ECG app
• Cycle Tracking app with retrospective ovulation estimates
• Heart Rate app
• High and low heart rate notifications
• Irregular rhythm notifications
• Medications app
• Mindfulness app with state of mind tracking
• Noise app
• Sleep app including sleep stages
• Sleep score
• Sleep apnea notifications
• Hypertension notifications

Display:

• Always‑On Retina display with wide‑angle OLEDs and LTPO3
• 1Hz refresh
• Active area (422 by 514 pixels, 326 pixels per inch)
• Flat sapphire crystal display
• Up to 3000 nits peak brightness
• Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)

Audio:

• Three-microphone array with beamforming and wind noise mitigation
• Dual speakers
• Media playback
• Siren

Power and Battery Life:

Operating System:

watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.

Workouts and Activity:

• Running:

  • Custom workouts
  • Customizable Workout Views
  • Training Load / Workout Effort Tracking
  • Heart Rate Zones (customizable)
  • Postworkout heart rate
  • VO2 max
  • Race Route
  • Pacer
  • Precision Start using Action button
  • Stride Length, Ground Contact Time, Cadence, Power, and Vertical Oscillation
  • Automatic track detection
  • Multisport workout

• Hiking:

  • Compass with bearing, incline, elevation, and coordinates
  • Custom waypoints
  • Automatically generated waypoints to cellular connectivity
  • Backtrack GPS data
  • Offline maps with custom route creation
  • Elevation alerts
  • Topographic maps for thousands of national and regional parks (U.S. only)
  • Hundreds of curated hikes across all 63 U.S. national parks
  • Siren

• Swimming:

  • Custom workouts (pool swim) with haptics to cue the next interval
  • Splits and auto sets
  • SWOLF score
  • Automatic stroke and count detection (including kickboard)
  • Water temperature
  • Average pace, total distance, heart rate, and laps

• Diving:

  • Recreational dive to 40m
  • Dive computer app (available on the App Store)
  • Automatic launch at 1m
  • Current and maximum depth duration
  • GPS entry and exit points
  • Depth gauge
  • Water temperature sensor

Safety:

• Satellite connectivity (Emergency SOS, Messages, Find My)
• Emergency SOS
• International emergency calling
• Siren
• Crash Detection
• Fall Detection
• Last Emergency Call Availability Waypoint
• Noise monitoring
• Backtrack

Durability:

• Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010
• Dust resistance IP6X under IEC 60529
• EN13319 recreational scuba diving to 40m (±1m accuracy)
• Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration

Connectivity:

• L1 and L5 precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
• Cellular: Supports RedCap for 5G and LTE
• Wi-Fi 4 (802.11n)
• Support for 2.4GHz and 5GHz Wi-Fi networks
• Bluetooth 5.3
• Second-generation Ultra Wideband chip
• NFC: Apple Pay, GymKit
• Support for Apple Watch For Your Kids
• International roaming

Accessibility:

• Built-in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.

Environmental Requirements:

Discover the Apple Watch Ultra 3 (2025) and push your limits to the max.